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Biomes Ecosystems and Habitats

Biomes, ecosystems, and habitats are related but distinct environmental concepts. A biome refers broadly to a global region defined by its climate and plant and animal life. An ecosystem is a biological community of interacting organisms and their physical environment. A habitat is the specific environment where a particular species lives and obtains resources.

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242 views1 page

Biomes Ecosystems and Habitats

Biomes, ecosystems, and habitats are related but distinct environmental concepts. A biome refers broadly to a global region defined by its climate and plant and animal life. An ecosystem is a biological community of interacting organisms and their physical environment. A habitat is the specific environment where a particular species lives and obtains resources.

Uploaded by

RashmiRavi Naik
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© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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BIOM E S, EC O SYSTE M S, A N D H A BI TATS

WHAT IS THE D IF F E RE N C E ?

A biome refers to a region of the world characterized by its resident life, environment, and climate.
Temperature, precipitation, and amount of sunlight all affect what type of life resides in a particular biome
and help define each biome. There are a number of biomes around the world, including savanna, rainforest,
desert, taiga, and marine biomes.

The taiga, or boreal forest, is the largest


terrestrial biome. This northern biome
extends from below the Arctic and occupies
parts of North America, Europe, and Asia.
The region is characterized by high
elevation, nutrient-poor soil, and cold
temperatures. The taiga is marked by the
presence of evergreen trees, such as pines
and spruces. There may also be some
deciduous trees, such as oak and birch. The
animals that reside here are specially
adapted to the cold, with features like thick
fur. Such animals include snowshoe hares,
moose, wolves, and lynxes.

The word ecosystem refers to the interaction between organisms living


together in a particular environment. This definition encompasses both
biotic and abiotic factors, such as water, climate, and soil. Additionally,
ecosystems are defined by the flow of energy and nutrients
throughout the system.

An example of an ecosystem within the taiga is the


Interior Alaska-Yukon lowland taiga. This ecosystem
is home to animals like waterfowl, caribou, and black
bears, as well as trees like black spruce and alpine fir.

A habitat is specific to a species or


population of organisms. Wherever that
population lives is its habitat.

Consider the habitat of the Chinook salmon. This migratory fish lives in
freshwater and marine environments depending on where it is within its
life cycle. Chinook salmon inhabit the Interior Alaska-Yukon lowland
taiga ecosystem for part of their life, but their habitat extends beyond
that. They are born in fresh water, like the Yukon River, and then migrate
to the Pacific Ocean as they mature. However, when it is time to spawn,
they return to fresh water.

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